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Titlebook: Economic Evaluations in Exploration; Friedrich-Wilhelm Wellmer Textbook 19891st edition Springer-Verlag Berlin Heidelberg 1989 Exploration

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书目名称Economic Evaluations in Exploration
编辑Friedrich-Wilhelm Wellmer
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图书封面Titlebook: Economic Evaluations in Exploration;  Friedrich-Wilhelm Wellmer Textbook 19891st edition Springer-Verlag Berlin Heidelberg 1989 Exploration
描述This textbook is a translation of the German textbook "Rechnen fUr Lagerstattenkundler und Rohstoffwirtschaftler, Teil 1" published by the Ellen Pilger Publishing Company. Those passages in the German edition which were especially written for the German readership were transform­ ed for English speaking readers. Compared with the German edition many chapters have been slightly amended. The main new additions in this English version are the chapter on linear optimization in Chapter 10.2 and Chapter 12 on the comparison of ore deposits. The textbook is intended for the economic geologist who deals with the evaluation of deposits at an early stage of development. Once an ex­ ploration project has reached the feasibility stage, the exact calculations of the deposit, the technical and economic assessment will be performed by a team of geologists, mining engineers, metallurgists, and economists. In the early stages of exploration, however, any evaluator of deposits has to be able to cover the whole spectrum himself. Since only order of magnitude parameters are available at this stage, the calculations can only yield order of magnitude results. Precise calculations would even be misleadin
出版日期Textbook 19891st edition
关键词Exploration Geology; Mineral Deposits; Resource Estimation; Statistics; economic geology; mineral resourc
版次1
doihttps://doi.org/10.1007/978-3-662-02578-9
isbn_ebook978-3-662-02578-9
copyrightSpringer-Verlag Berlin Heidelberg 1989
The information of publication is updating

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Conversion of Geological Data into Mining Data for Ore Deposits,has been put on the market. The geological grades will seldom correspond with the grades of the mill head ore. As a rule the ore is diluted by inclusion of wall rock and losses occur during beneficiation. These factors have to be taken into account before revenues can be calculated.
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Calculation of the Net Smelter Return (NSR) of a Mine,es and ores are available, i. e. iron ore, tungsten, and antimony concentrates or “yellow cake”., U.O., the end product of uranium mines. These quotations are supplied by the price lists of the weekly “Metal Bulletin” or the “Engineering and Mining Journal”. Generally these prices are quoted in “uni
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Comparison of Deposits,r in production or still in the preproduction stage. The best comparison is an eco nomic one. In the preliminary stage, however, when only order of magnitude para meters are available, other “semi-economic” methods of comparison are also used.
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Brian Klinkenberg,Keith C. Clarkeions are supplied by the price lists of the weekly “Metal Bulletin” or the “Engineering and Mining Journal”. Generally these prices are quoted in “units”, with 1 unit (1 u) being 1% of the metal in the concentrate (see Chap. 1.1.4.6). From this the net smelter return of the mine can easily be derived.
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